What is -(-7^2+(-9)^2) ?

The solution to -(-7^2+(-9)^2) is -32

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-(-7^2+(-9)^2)

- (- 7^{2} + (- 9)^{2})

- 32

Solution steps

- (- 7^{2} + (- 9)^{2})

Follow the PEMDAS order of operations

Calculate within parentheses

(- 7^{2} + (- 9)^{2}) : 32

- 7^{2} + (- 9)^{2}

Calculate exponents

7^{2} : 49

7^{2}

7^{2} = 49

= 49

= - 49 + (- 9)^{2}

Calculate exponents

(- 9)^{2} : 81

(- 9)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

n

is even

(- 9)^{2} = 9^{2} = 81

= 81

= - 49 + 81

Add and subtract (left to right)

- 49 + 81 : 32

- 49 + 81

- 49 + 81 = 32

= 32

= 32

= - 32

4 + (7 \times 8) 12

(- 15 - 45) + (- 8 + 5)

+ 3 (1 - 5) + 8

6 (0)^{2} - 11

(3 + 12 \times 2) + 4